Moissanite diamond testing

I found the diamond tester and am happy to send it with whoever purchases the moissanite ring. You can see my diamond testing positive (red) and a cz band I have testing negative (yellow) and the moissanite testing positive (red). This is the diamond tester I bought, if you are interested in reading about it: High Accuracy Professional Jeweler Diamond Tester For Novice and Expert, Diamond Selector II, https://www.amazon.com/dp/B009H4WGWK/ref=cm_sw_r_cp_api_i_rPgpDbZZK7GVT